ZIP 06340 (Groton, CT) truck route planning & crash data
Plan safer truck routes around ZIP 06340: commercial truck and garbage truck crashes here and in Southeastern Connecticut Planning Region, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4.4 deaths per 100 garbage-truck crashes vs 2.7 for all trucks.
Deadliest roads
How Southeastern Connecticut Planning Region compares with Connecticut
Southeastern Connecticut Planning Region against Connecticut and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Southeastern Connecticut Planning Region stands out
Full comparison
| Measure (2015–2025) | Southeastern Connecticut Planning Region | Connecticut | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 30.0 | 40.2 | 49.7 | 25% below the state |
| Deaths per 100 crashes | 2.7 | 2.2 | 3.4 | 1.2× the state |
| Injuries per crash | 0.41 | 0.39 | 0.49 | same |
| Garbage-truck share | 4.8% | 3.3% | 2.3% | 1.5× the state |
| On snow, slush or ice | 8.6% | 6.2% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 24.9% | 24.4% | 23.7% | same |
| In rain, sleet or snow | 13.3% | 14.1% | 13.8% | same |
| Winter months (Nov–Mar) | 42.2% | 41.3% | 41.9% | same |
| After dark | 23.4% | 28.0% | 24.8% | 16% below the state |
Compared with Connecticut, Southeastern Connecticut Planning Region is lower on crashes per 100k residents / yr and after dark. It runs above Connecticut on deaths per 100 crashes, garbage-truck share and on snow, slush or ice.
ZIP 06340 at a glance: I-95 deadliest road: 4 fatal truck crashes within 10 miles of ZIP 06340 since 2015.
Overview
Since 2015, 1,002 crashes involving commercial trucks have been reported in Southeastern Connecticut Planning Region. They injured 419 people and killed 26.
That averages about one truck crash every 4 days in fully reported years.
When crashes happen
January has the most truck crashes, 10.9% of the yearly total, while November has the fewest (5.9%).
Winter months (Nov–Mar) carry 42.2% of truck crashes, vs 41.3% for Connecticut.
More truck crashes happen at 2–3 pm than at any other hour (8.9%).
Snow, slush or ice was on the road in 8.6% of truck crashes, compared with 6.2% in Connecticut.
Where crashes happen
I-95 leads within 10 miles of ZIP 06340 with 4 fatal crashes involving a large truck since 2015. After it: US-1 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 47 crashes, 4.7% of the total, against 3.3% across Connecticut.
The most garbage-truck crashes happen in January (15%).
They recorded 4.4 deaths per 100 crashes, against 2.7 for all trucks.
Route planning tips for ZIP 06340 fleets
- Review driver schedules for January, the month with the most truck crashes.
- Where you can, review stops along I-95; it has the most fatal large-truck crashes nearby.
- Waste haulers: January is the peak month for garbage-truck crashes in Southeastern Connecticut Planning Region.
- 8.6% of truck crashes were on snow, slush or ice, above Connecticut; plan winter equipment checks before the season.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Southeastern Connecticut Planning Region
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-95 | 4 |
| US-1 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Southeastern Connecticut Planning Region) |
|---|---|
| I-95 | 64 |
| I-395 | 42 |
| SR-2 | 15 |
| SR-32 | 13 |
| Rte 85 | 5 |
| Liberty St | 5 |
| Fitchville Rd | 4 |
| Mitchell St | 4 |
ZIP 06340 at a glance
| Population | 29,863 |
| Density | 512 per sq mi |
| Median household income | $81,792 |
| Median home value | $295,105 |
| Home ownership | 44% |
Historical data: truck crashes in Southeastern Connecticut Planning Region since the 1990s
Combines the FMCSA crash file (all reported truck crashes, real coverage from about 1990) with NHTSA FARS (fatal crashes involving a large truck, 1982–2024).
| Decade | Truck crashes / yr | Change | Fatal crashes / yr (FARS) |
|---|---|---|---|
| 1990s | 53 | — | 0.0 |
| 2000s | 71 | +34% | 1.9 |
| 2010s | 66 | -6% | 2.2 |
| 2020s | 84 | +27% | 2.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 53 to 84. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 2.0 a year in 2016–19 and 2.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 06340
How many truck accidents are there in ZIP 06340?
Southeastern Connecticut Planning Region has had 1,002 reported truck crashes since 2015, injuring 419 people and killing 26.
What is the most dangerous road for trucks in ZIP 06340?
Since 2015, I-95 has had the most fatal large-truck crashes within 10 miles of ZIP 06340: 4.
Which month has the most truck crashes in ZIP 06340?
Truck crashes in Southeastern Connecticut Planning Region peak in January, with 10.9% of the year's crashes.
How many garbage truck accidents happen in ZIP 06340?
Garbage trucks were involved in 47 reported crashes in Southeastern Connecticut Planning Region since 2015 (4.7% of truck crashes).
What is the truck crash rate in ZIP 06340 compared with Connecticut?
Per 100,000 residents, Southeastern Connecticut Planning Region has 30.0 truck crashes a year; Connecticut has 40.2.
What is the best way to plan truck routes in ZIP 06340?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.